The death toll from devastating floods in the Texas Hill Country rose to 24 Friday night, officials said, as the search for more than 20 people missing from a girls summer camp continued through the night.

Vehicles, campers and homes were swept away along the Guadalupe River in Kerr County, Texas, as storms caused a flash flood emergency in the area. A flash flood emergency was also declared in San Angelo further north of Texas Hill Country.

Heavy rains unleashed a “catastrophic” and deadly flood Friday on the Guadalupe River in Central Texas, prompting evacuations and a frantic search for missing people. At least 13 people were killed in the flood and more are missing,